From https://github.com/viritin/svg-visualizations * branch main -> FETCH_HEAD Already on 'main' Your branch is up to date with 'origin/main'. HEAD is now at e00e7b5 GH Action CI build [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set-property (default-cli) @ svg-visualizations --- [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.318 s [INFO] Finished at: 2026-03-06T07:23:45Z [INFO] ------------------------------------------------------------------------ [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- versions:2.21.0:set (default-cli) @ svg-visualizations --- [INFO] Searching for local aggregator root... [INFO] Local aggregation root: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations [INFO] Processing change of in.virit:vaadin-bom:1.0.1-SNAPSHOT -> 25.1.0-beta1 [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.590 s [INFO] Finished at: 2026-03-06T07:23:50Z [INFO] ------------------------------------------------------------------------ [INFO] Scanning for projects... [WARNING] [WARNING] Some problems were encountered while building the effective model for in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT [WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-surefire-plugin is missing. @ line 99, column 21 [WARNING] [WARNING] It is highly recommended to fix these problems because they threaten the stability of your build. [WARNING] [WARNING] For this reason, future Maven versions might no longer support building such malformed projects. [WARNING] [INFO] [INFO] --------------------< in.virit:svg-visualizations >--------------------- [INFO] Building svg-vizualizations 1.0.1-SNAPSHOT [INFO] from pom.xml [INFO] --------------------------------[ jar ]--------------------------------- [INFO] [INFO] --- clean:3.2.0:clean (default-clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target [INFO] [INFO] --- flatten:1.7.0:clean (flatten.clean) @ svg-visualizations --- [INFO] Deleting /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/.flattened-pom.xml [INFO] [INFO] --- resources:3.3.1:resources (default-resources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/main/resources [INFO] [INFO] --- flatten:1.7.0:flatten (flatten) @ svg-visualizations --- [INFO] Generating flattened POM of project in.virit:svg-visualizations:jar:1.0.1-SNAPSHOT... [INFO] [INFO] --- compiler:3.13.0:compile (default-compile) @ svg-visualizations --- [INFO] Recompiling the module because of changed source code. [INFO] Compiling 2 source files with javac [debug release 21] to target/classes [INFO] [INFO] --- resources:3.3.1:testResources (default-testResources) @ svg-visualizations --- [INFO] skip non existing resourceDirectory /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/resources [INFO] [INFO] --- compiler:3.13.0:testCompile (default-testCompile) @ svg-visualizations --- [INFO] Recompiling the module because of changed dependency. [INFO] Compiling 13 source files with javac [debug release 21] to target/test-classes [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java uses or overrides a deprecated API. [INFO] /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/src/test/java/org/vaadin/svgvis/it/SvgVisualizationsIT.java: Recompile with -Xlint:deprecation for details. [INFO] [INFO] --- surefire:3.2.5:test (default-test) @ svg-visualizations --- [INFO] Using auto detected provider org.apache.maven.surefire.junitplatform.JUnitPlatformProvider [INFO] [INFO] ------------------------------------------------------- [INFO] T E S T S [INFO] ------------------------------------------------------- [INFO] Running org.vaadin.svgvis.RenderingPerformanceTest Loaded 948423 weather records === System Information === CPU Model: AMD EPYC-Rome Processor CPU Cores: 4 OS: Linux 6.8.0-101-generic Java: 21 (Eclipse Adoptium) Architecture: amd64 === Baseline Info === Last Updated: 2026-03-06T06:16:58.160873337Z Baseline CPU: AMD EPYC-Rome Processor Baseline OS: Linux Loaded 948423 weather records for performance testing 07:24:19.410 [main] INFO com.vaadin.flow.server.DefaultDeploymentConfiguration -- Vaadin is running in production mode. === SparkLine draw() CPU Time Analysis === Measuring time to execute draw() with real components... Data Points | No Smoothing | Moving Avg | RDP -------------|----------------|----------------|---------------- 100 | 4.87 ms | 4.48 ms | 5.41 ms 1,000 | 5.70 ms | 8.11 ms | 6.35 ms 10,000 | 31.69 ms | 2.91 ms | 8.56 ms 49,871 | 27.93 ms | 7.48 ms | 87.10 ms 97,643 | 51.82 ms | 14.00 ms | 9.94 ms 495,995 | 432.19 ms | 48.23 ms | 61.91 ms 944,282 | 573.86 ms | 120.31 ms | 183.93 ms Note: Times include full SVG element creation and DOM operations. === WindRose draw() CPU Time Analysis === Measuring time to aggregate and draw WindRose with real components... Input Records | Aggregation | Draw | Total --------------|----------------|----------------|---------------- 1,000 | 975.8 µs | 1.35 ms | 2.33 ms 10,000 | 6.54 ms | 1.15 ms | 7.69 ms 50,000 | 10.07 ms | 618.4 µs | 10.68 ms 100,000 | 4.62 ms | 630.1 µs | 5.25 ms 500,000 | 20.58 ms | 552.5 µs | 21.13 ms 948,423 | 42.06 ms | 750.6 µs | 42.81 ms Note: WindRose aggregation is O(n), but draw is O(sectors) = O(1). === Scaling Behavior Analysis === Comparing how draw time scales with data size... Multiplier | Data Size | NONE (rel) | MovingAvg (rel) | RDP (rel) -----------|--------------|----------------|-----------------|---------------- 1x | 10,000 | 8.01 ms ( 1.2x) | 1.27 ms ( 0.8x) | 2.05 ms ( 3.0x) 2x | 19,996 | 15.96 ms ( 2.5x) | 3.39 ms ( 2.1x) | 3.06 ms ( 4.5x) 5x | 49,871 | 39.85 ms ( 6.2x) | 3.06 ms ( 1.9x) | 2.20 ms ( 3.2x) 10x | 97,643 | 51.77 ms ( 8.1x) | 7.48 ms ( 4.6x) | 5.78 ms ( 8.4x) 20x | 196,569 | 147.85 ms (23.1x) | 14.50 ms ( 9.0x) | 34.53 ms (50.2x) 50x | 495,995 | 318.28 ms (49.6x) | 43.76 ms (27.1x) | 24.70 ms (35.9x) Ideal O(n): time should grow linearly with multiplier. With smoothing: time for SVG creation is ~constant after reduction. === Output Size vs Draw Time === Comparing output point count and actual draw time... Input Points | MA Elements | MA Draw Time | RDP Elements | RDP Draw Time -------------|-------------|----------------|--------------|---------------- 1,000 | 5 | 154.5 µs | 5 | 451.2 µs 10,000 | 5 | 612.3 µs | 5 | 474.4 µs 97,643 | 5 | 6.95 ms | 5 | 4.06 ms 495,995 | 5 | 76.61 ms | 5 | 24.13 ms 944,282 | 5 | 136.95 ms | 5 | 87.98 ms Element count reflects SVG complexity after smoothing. === Multi-Series SparkLine Draw Time === Measuring draw time with multiple data series... Series Count | Moving Avg | RDP -------------|----------------|---------------- 1 | 7.28 ms | 4.42 ms 2 | 19.44 ms | 14.30 ms 3 | 33.99 ms | 26.77 ms 5 | 22.36 ms | 43.13 ms Draw time scales with number of series. === Performance Summary === ⚠️ sparkline.none.100: 4.87 ms (baseline: 3.68 ms, +32.5%) sparkline.movingAvg.100: 4.48 ms (baseline: 3.83 ms, +16.8%) ⚠️ sparkline.rdp.100: 5.41 ms (baseline: 3.30 ms, +64.1%) ✓ sparkline.none.1000: 5.70 ms (baseline: 7.10 ms, -19.7%) ⚠️ sparkline.movingAvg.1000: 8.11 ms (baseline: 4.21 ms, +92.7%) sparkline.rdp.1000: 6.35 ms (baseline: 6.28 ms, +1.1%) ⚠️ sparkline.none.10000: 31.69 ms (baseline: 24.41 ms, +29.8%) ✓ sparkline.movingAvg.10000: 2.91 ms (baseline: 10.38 ms, -72.0%) ✓ sparkline.rdp.10000: 8.56 ms (baseline: 15.51 ms, -44.8%) ✓ sparkline.none.50000: 27.93 ms (baseline: 43.99 ms, -36.5%) ⚠️ sparkline.movingAvg.50000: 7.48 ms (baseline: 5.35 ms, +39.7%) ✓ sparkline.rdp.50000: 87.10 ms (baseline: 101.37 ms, -14.1%) ✓ sparkline.none.100000: 51.82 ms (baseline: 82.20 ms, -37.0%) sparkline.movingAvg.100000: 14.00 ms (baseline: 14.79 ms, -5.3%) ⚠️ sparkline.rdp.100000: 9.94 ms (baseline: 5.45 ms, +82.5%) ⚠️ sparkline.none.500000: 432.19 ms (baseline: 332.52 ms, +30.0%) ✓ sparkline.movingAvg.500000: 48.23 ms (baseline: 57.78 ms, -16.5%) ⚠️ sparkline.rdp.500000: 61.91 ms (baseline: 29.03 ms, +113.3%) sparkline.none.948423: 573.86 ms (baseline: 603.16 ms, -4.9%) sparkline.movingAvg.948423: 120.31 ms (baseline: 122.90 ms, -2.1%) sparkline.rdp.948423: 183.93 ms (baseline: 166.78 ms, +10.3%) ⚠️ windrose.aggregation.1000: 975.8 µs (baseline: 681.7 µs, +43.1%) ⚠️ windrose.draw.1000: 1.35 ms (baseline: 831.5 µs, +62.4%) ⚠️ windrose.aggregation.10000: 6.54 ms (baseline: 1.85 ms, +253.4%) windrose.draw.10000: 1.15 ms (baseline: 1.01 ms, +13.2%) ✓ windrose.aggregation.50000: 10.07 ms (baseline: 22.33 ms, -54.9%) ✓ windrose.draw.50000: 618.4 µs (baseline: 749.7 µs, -17.5%) windrose.aggregation.100000: 4.62 ms (baseline: 4.68 ms, -1.2%) ✓ windrose.draw.100000: 630.1 µs (baseline: 1.68 ms, -62.4%) ✓ windrose.aggregation.500000: 20.58 ms (baseline: 25.29 ms, -18.6%) ✓ windrose.draw.500000: 552.5 µs (baseline: 668.3 µs, -17.3%) windrose.aggregation.948423: 42.06 ms (baseline: 39.05 ms, +7.7%) ✓ windrose.draw.948423: 750.6 µs (baseline: 863.3 µs, -13.1%) scaling.none.1x: 8.01 ms (baseline: 6.91 ms, +16.0%) ⚠️ scaling.movingAvg.1x: 1.27 ms (baseline: 891.3 µs, +42.5%) ⚠️ scaling.rdp.1x: 2.05 ms (baseline: 742.9 µs, +175.4%) ✓ scaling.none.2x: 15.96 ms (baseline: 18.03 ms, -11.5%) scaling.movingAvg.2x: 3.39 ms (baseline: 2.92 ms, +16.1%) scaling.rdp.2x: 3.06 ms (baseline: 3.32 ms, -7.7%) ✓ scaling.none.5x: 39.85 ms (baseline: 46.29 ms, -13.9%) ✓ scaling.movingAvg.5x: 3.06 ms (baseline: 5.52 ms, -44.5%) scaling.rdp.5x: 2.20 ms (baseline: 1.97 ms, +11.7%) scaling.none.10x: 51.77 ms (baseline: 49.56 ms, +4.4%) ✓ scaling.movingAvg.10x: 7.48 ms (baseline: 13.53 ms, -44.7%) ✓ scaling.rdp.10x: 5.78 ms (baseline: 13.86 ms, -58.3%) ⚠️ scaling.none.20x: 147.85 ms (baseline: 111.04 ms, +33.1%) ✓ scaling.movingAvg.20x: 14.50 ms (baseline: 27.56 ms, -47.4%) ⚠️ scaling.rdp.20x: 34.53 ms (baseline: 15.69 ms, +120.0%) scaling.none.50x: 318.28 ms (baseline: 334.19 ms, -4.8%) ✓ scaling.movingAvg.50x: 43.76 ms (baseline: 55.51 ms, -21.2%) ✓ scaling.rdp.50x: 24.70 ms (baseline: 40.81 ms, -39.5%) ✓ multiseries.movingAvg.1series: 7.28 ms (baseline: 11.20 ms, -35.0%) multiseries.rdp.1series: 4.42 ms (baseline: 4.23 ms, +4.6%) multiseries.movingAvg.2series: 19.44 ms (baseline: 20.11 ms, -3.3%) ✓ multiseries.rdp.2series: 14.30 ms (baseline: 25.54 ms, -44.0%) ⚠️ multiseries.movingAvg.3series: 33.99 ms (baseline: 26.21 ms, +29.7%) ⚠️ multiseries.rdp.3series: 26.77 ms (baseline: 20.88 ms, +28.2%) ✓ multiseries.movingAvg.5series: 22.36 ms (baseline: 25.19 ms, -11.2%) ⚠️ multiseries.rdp.5series: 43.13 ms (baseline: 35.12 ms, +22.8%) Baseline saved to: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/performance-baseline.properties [WARNING] Tests run: 6, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 43.65 s -- in org.vaadin.svgvis.RenderingPerformanceTest [INFO] Running org.vaadin.svgvis.unit.WindRoseTest [INFO] Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 s -- in org.vaadin.svgvis.unit.WindRoseTest [INFO] Running org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.013 s -- in org.vaadin.svgvis.unit.SvgSparkLineTest [INFO] Running org.vaadin.svgvis.SessionWeightTest Loaded 948423 weather records for testing === DataPoints Session Weight Analysis === Measuring serialized size of SvgSparkLine.DataPoint lists... Data points: 100 -> Serialized: 2.3 KB (23.2 bytes/point) Data points: 1,000 -> Serialized: 21.6 KB (22.1 bytes/point) Data points: 10,000 -> Serialized: 215.0 KB (22.0 bytes/point) Data points: 49,871 -> Serialized: 1.0 MB (22.0 bytes/point) Data points: 97,643 -> Serialized: 2.0 MB (22.0 bytes/point) Data points: 495,995 -> Serialized: 10.4 MB (22.0 bytes/point) Data points: 944,282 -> Serialized: 19.8 MB (22.0 bytes/point) === WindRose Data Session Weight Analysis === WindRose aggregates data into fixed sectors, so weight is constant. Input records: 100 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 1,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 10,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 50,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 100,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 500,000 -> Aggregated to 16 sectors -> Serialized: 505 B Input records: 948,423 -> Aggregated to 16 sectors -> Serialized: 505 B Conclusion: WindRose weight is ~constant regardless of input size! === Session Weight Growth Comparison === Comparing growth patterns of different data storage approaches... Size | Raw Data | Before Draw | After Smooth | After Draw | WindRose -------------|----------------|----------------|----------------|----------------|---------- 1,000 | 259.4 KB | 21.6 KB | 1.2 KB | 58 B | 155 B 10,000 | 2.5 MB | 215.0 KB | 1.2 KB | 58 B | 155 B 100,000 | 25.3 MB | 2.1 MB | 1.2 KB | 58 B | 155 B 948,423 | 239.7 MB | 19.9 MB | 1.2 KB | 58 B | 155 B Key insight: After draw(), SparkLine clears all data - session weight is ~0! Data is only needed during draw(), SVG elements retain the visualization. === Raw Weather Data Session Weight === For comparison: size of raw RawWeatherStationData objects... Raw records: 100 -> Serialized: 26.4 KB (271 bytes/record) Raw records: 1,000 -> Serialized: 259.4 KB (266 bytes/record) Raw records: 10,000 -> Serialized: 2.5 MB (265 bytes/record) Raw records: 50,000 -> Serialized: 12.6 MB (265 bytes/record) Raw records: 100,000 -> Serialized: 25.3 MB (265 bytes/record) Raw records: 500,000 -> Serialized: 126.4 MB (265 bytes/record) Raw records: 948,423 -> Serialized: 239.7 MB (265 bytes/record) === RDP Algorithm Point Reduction === Measuring how RDP reduces data points while preserving shape... Input Points | RDP Points | Reduction | Serialized Size -------------|------------|-----------|---------------- 100 | 40 | 60.0% | 997 B 1,000 | 132 | 86.8% | 3.0 KB 10,000 | 84 | 99.2% | 1.9 KB 49,871 | 94 | 99.8% | 2.1 KB 97,643 | 95 | 99.9% | 2.2 KB 944,282 | 187 | 100.0% | 4.1 KB RDP preserves shape-significant points, so reduction varies with data complexity. [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 21.80 s -- in org.vaadin.svgvis.SessionWeightTest [INFO] [INFO] Results: [INFO] [WARNING] Tests run: 23, Failures: 0, Errors: 0, Skipped: 1 [INFO] [INFO] [INFO] --- jar:3.5.0:jar (default-jar) @ svg-visualizations --- [INFO] Building jar: /home/ghrunner/actions-runner/_work/vaadin-ecosystem-build/vaadin-ecosystem-build/work/svg-visualizations/target/svg-visualizations-1.0.1-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 01:16 min [INFO] Finished at: 2026-03-06T07:25:10Z [INFO] ------------------------------------------------------------------------